drm/msm: move debugfs registration to late_register callbacks

Need to move debugfs registration into the appropriate callbacks
that get called after the device is registered. Debugfs root
nodes are only called after drm_dev_register. After that, kms
needs to implement the postinit callback to register debugfs,
and drm components like crtc, connector, encoder must implement
the late_register and early_unregister callbacks to properly
add debugfs entries.

Change-Id: I862ca3b8fa0b813b36278ac9bbaebbcdcd2d58df
Signed-off-by: Lloyd Atkinson <latkinso@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_kms.h b/drivers/gpu/drm/msm/sde/sde_kms.h
index bf1c12f..1acdf00 100644
--- a/drivers/gpu/drm/msm/sde/sde_kms.h
+++ b/drivers/gpu/drm/msm/sde/sde_kms.h
@@ -126,8 +126,6 @@
 	struct sde_power_client *core_client;
 
 	/* directory entry for debugfs */
-	void *debugfs_root;
-	struct dentry *debugfs_debug;
 	struct dentry *debugfs_danger;
 	struct dentry *debugfs_vbif;
 
@@ -235,7 +233,7 @@
 		void *parent, struct sde_debugfs_regset32 *regset);
 
 /**
- * sde_debugfs_get_root - Return root directory entry for SDE's debugfs
+ * sde_debugfs_get_root - Return root directory entry for KMS's debugfs
  *
  * The return value should be passed as the 'parent' argument to subsequent
  * debugfs create calls.